28779218

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{12437}}^1$

素因数の和:12541

約数の個数: 16

約数和(自身を含む): 47015640

約数和(自身を除く): 18236422

約数列:

[1, 2, 13, 26, 89, 178, 1157, 2314, 12437, 24874, 161681, 323362, 1106893, 2213786, 14389609, 28779218]

約数ペア:

[(1, 28779218), (2, 14389609), (13, 2213786), (26, 1106893), (89, 323362), (178, 161681), (1157, 24874), (2314, 12437)]